Furnace door



June 9, 1925.

F. E. WERTHEIM ET AL FURNACE DOOR Original Filed Dec. 21, 1922 iwf Patented June 9, 1925. l A i I UNl'lE STATES FERD ELIEL WERTHEIM, F CHICAGO, AND ASHUR URL WETHERBEE, 0F EVANSTON, ILLINIS, ASSIGNORS T0 WILLIAM A. GILCHRIST, 0F NEW YORK, N. Y.

l FURNACE DOOR.

original application filed December 21, 1922, Serial No. 608,333. Divided and this application filed December 31, 1923. Serial N'o. 683,644.

To r// 711710711. it muy cmi-cern.' eral Sections each composed of separate lc it known that we. FER ELIEL WERT- bricks 23 having grooves 24 in each end. 55

Hmm, a citizen of the United States, resid- The alined grooves 24 at the outer edges ing at Chicago, in the county of Cook and of the lateral sections form recesses in which State of Illinois, and ASHUR URL VVETHER- the ribs 2l and 22 are received; and the una, a citizen of the United States, residallned grooves at the inner edges of the ing at Evanston, in the county of Cook and sections form a pocket in which is located 60 State of lllinois,'have invented certain new a key bar 25 that is secured to the body and useful Improvements in Furnace Doors, of the door by bolts or screws 26. It will U of which the following is a specification. be observed that the ribs seated in the This invention relates to furnace doors, grooves at the outer edges of the sections i and has for an important object to provide and the key bar 25 seated in the grooves 65 a. lining for the doors that will fully proat the .inner edges of the sections are well tect them from the furnace heat and that protected from the heat of the furnace. If

will be accurately held in place during use desired the spaces between the bricks and and can be readily removed and replaced between the bricks and the body of the door when desiredmay be filled with grout, as indicated in the 70 A further object of the invention is to drawlngs at 50. provide a latch for the doors that will se- The door iS adapted t0 be looked in Closed cure them tightly closed and can be easily positlon by means of any suitable latch and quickly fastened and unfastened, mechanism. However, the particular em- Further objects of the invention will bebodiment shown herein forms the sub'ect- 75 come apparent as the description is read in Platter. 0f the Original application above connection with the accompanying drawlndenufied.

ings, illustrating a selected embodiment of A dOOI made in accordance with this in;

the invention, in which vention will have its metal parts fully pro- Figure 1 is a front elevation of a furnace 119Cd from the heat 0f the furnace by the 30 door embodying the invention llnlng, which will be securel and rigidly Fig 2 is a Side elevation looking from supported 1n proper position uring use and a0 the right in Fig. 1, and yet can be readily removed and replaced Figs. 3 and 4 are sectional views taken on When occasion requires. the lines 3-3 and 4-4 of Fig. 1. Y What We Claim iS: S5 This application is 3, divislon 0f our ap- 1. In 3. furnace dOOI' the Combination Of plication No. 608,333, filed December 21, a bOdy POIOII having ribs projected in- 1922. wardly at each side, a lining composed of Referring to the drawings, the reference lateral sections having` their outer edges in numeral 10 indicates a door frame here engagement With Said I'bS, and a keV fOl 90 Shown as of angle Shape in cross Section.1 securlng the inner edges of said lining secwhereby a ange 11 is provided to be fitted tions to Seid body portion, said key boinar in the Wall of the furnace At one side releasable for permitting the removal of said the frame carries lugs 12 upon which is llnlllghinged a door 13 here Shown as including III a furnace dOOI', the CQmblIlatlOn 0f 95 a body portion 14, Side flanges 15 and 16 a body portion having rearwardly turned and bottom and top anges 17 and 18. The flanges forming an Integral rim therefour flanges are preferably joined to make {HOlllldLtWO 0f Said flanges having ribs proa continuous rim about the edge of the body JeCmg lnwal'dly, a lining Comprising 3 P111- portion terminates in a, head hav- I'allty Of lateral SeClOIlS hvll'lg Outer ends 100 ing a, Hat face 20 t0 rest against the face fOrmed for receiving Said ribs, Said inner of the door frame. ends being similarly formed for the recep- AS here Shown, the head 19 projects int1on of a removable key, a key seated therewardly from the sides to form ribs 21 and on, and means engaging said key but per- 22 for co-operation with the edges of the mitting the removal thereof to release said 105 lining, which preferably is formed of latlining for renewals or repairs.

3. In a furnace door, the combination of a body portion havin rearwardly turned integral flanges on eac side thereof formin a continuous rim, the two side anges being provided with ribs, a lining composed of lateral sections having grooves formed in the outer edges, and positioned within said rim for engagement with said ribs, and a key secured to the intermediate portion of said body for securing the other ends of said sections thereto.

4. In a furnace door the combination of a body portion, a lining formed in lateral sections, fixed means on the body for locking the lateral outer edges of the sections thereto, and adjustable means for securing the inner edges to the body.

5. In a furnace door, in combination, 't frame having an integral laterally instand- `-0 in;` rib, a lining brick recessed to engage the said rib, and a removable locking,r key engageable with the brick. I

6. n a furnace door, the combination of a body portion having ribs projected inwardly at each side, a lining composed of 7 a plurality of bricks adapted to protect the door from the furnace heat, said bricks having their outer ends formed for engagement with one or the other of said ribs, the inner ends of said bricks being recessed tu form a key way when the bricks are in assembled relation, and a key inserted in said way to hold said bricks in position, said key being removably secured to the intermediate portion of said door.

In testimony whereof, we have subscribed our names.

FERD ELIEL W'ERTI-IEIM. ASHUR URL WETI-IERBEE. 

